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History of the International Date Line and the Standard Time Zone charts of the World presentation arranged by WorldTimeZone, World Time Zone
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International Date Line Time & Location | Where Is the International Date Line? - Video & Lesson Transcript | Study.com
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International Date Line Time & Location | Where Is the International Date Line? - Video & Lesson Transcript | Study.com
![time keeping - Where was the dateline before the concept of the International Dateline? - History Stack Exchange time keeping - Where was the dateline before the concept of the International Dateline? - History Stack Exchange](https://i.stack.imgur.com/xfV3b.png)
time keeping - Where was the dateline before the concept of the International Dateline? - History Stack Exchange
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